Improved cellulose coated stick electrode

Details Improved cellulose coated stick electrode Improved cellulose coated stick electrode

B - Operations, Transporting

23

K

B23K 35/362 (2006.01)

Patent

CA 2550185

In a stick electrode for electric arc welding having a center alloy wire and an outer cellulose coating which coating includes powdered fluxing agents, alloy powder, cellulose powder and a binder. The improvement involves forming the binder as a solution of sodium silicate and 61-78 percent by weight of the binder. The binder comprises 25-35% of the coating to produce at least about 4% by weight of water in the electrode. Furthermore, the fluxing agent is titanium dioxide with a percentage greater than 12 percent of the coating.

Dans une électrode enrobée pour le soudage à l'arc ayant une âme en fil d'alliage et un enrobage cellulosique externe comprenant des fondants en poudre, de la poudre d'alliage, de la poudre de cellulose et un liant. L'amélioration consiste à former le liant en tant que solution de silicate de sodium et 61 à 78 % du poids du liant. Le liant comprend de 25 à 35 % de l'enrobage afin de produire au moins environ 4 % du poids de l'eau dans l'électrode. De plus, le fondant est du dioxyde de titane avec un pourcentage supérieur à 12 % de l'enrobage.

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